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Finding the Fourth Proportional to 609,022.08, 839,895.12 and 522,954

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Solution

The fourth proportional to 609,022.08, 839,895.12 and 522,954 is: 721,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,022.08 : 839,895.12 = 522,954 : x
  2. Step 2: Convert to fraction form
    609,022.08/839,895.12 = 522,954/x
  3. Step 3: Cross multiply
    609,022.08x = 839,895.12 × 522,954
  4. Step 4: Simplify right side
    609,022.08x = 439,226,512,584.48
  5. Step 5: Solve for x
    x = 439,226,512,584.48/609,022.08
  6. Step 6: Final answer
    x = 721,199.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.